package com.wwmz.simple.responsibility.orgin;

/**
 * Created by wumz on 2020/9/13 15:54
 */
public class Course {

    public void study(String courseName){
        if("直播课".equals(courseName)){
            System.out.println("不能快进");
        }else{
            System.out.println("可以任意的来回播放");
        }
    }
}
